636315024631066 has 64 divisors (see below), whose sum is σ = 1057814747982720. Its totient is φ = 284639300352000.

The previous prime is 636315024631009. The next prime is 636315024631127. The reversal of 636315024631066 is 660136420513636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8844920656 + ... + 8844992596.

It is an arithmetic number, because the mean of its divisors is an integer number (16528355437230).

Almost surely, 2^{636315024631066} is an apocalyptic number.

636315024631066 is a deficient number, since it is larger than the sum of its proper divisors (421499723351654).

636315024631066 is a wasteful number, since it uses less digits than its factorization.

636315024631066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77791.

The product of its (nonzero) digits is 8398080, while the sum is 52.

The spelling of 636315024631066 in words is "six hundred thirty-six trillion, three hundred fifteen billion, twenty-four million, six hundred thirty-one thousand, sixty-six".